EXCEED D19 starter kit, being a compact and sleek vaporizer but also efficient in all ways, presents you with two optional modes: direct output and constant voltage output along with advanced dual circuit protection. The EXCEED D19 atomizer adopts an easy way of e-liquid filling system and exquisite adjustable airflow control. New EX series heads with novel designs are meant to provide pure flavor with great vaping experience, no matter for mouth-to-lung or direct-lung. Its simplicity makes vaping easier and more convenient.